Reference Information
Reference information and data.
Pinouts
Pinout and connector data.
AVR ISP Pinout

Information on the In System Programming interface for AVR microcontrollers which uses IDC 6-pin or 10-pin header.
DB-9 Connector Pinout

Information on the DB-9 (officially know as DE-9) connector which is commonly used for RS232 serial ports. Pictures, pinout diagrams and pin descriptions.
Software
Documentation, examples and guides for telecnatron-developed software. The software itself is hosted on GitHub and, unless otherwise specified, it is available under the Telecnatron Version 1.0 freeware/donationware license.
avr_lib C Library For AVR MCUs

C Library for AVR GCC compiler. Developed on ATmega328/168/88/8 devices. Also useful for ATtiny2313 and other ATtinies.
sysdctl utility makes using systemctl utility much easer.

sysdctl
is a bash
script that reverses systemctl
's command
and unit
parameters. It includes a function to allow for bash_completion to work.